MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by a machine learning classifier and ClamAV as malicious. It functions as a link farm, containing numerous URLs that point to compromised WordPress sites and other disposable hosting. These links likely lead to further malicious content or exploits, characteristic of a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/2ecb216e4f2bf54b43627fcc5222d7fb/sisanofiferuvivosoxina.pdf In PDF document text
- http://hum-lucknow.org/test/fckeditor/file/wukoduvagazibedurawul.pdfIn PDF document text
- http://lnianemarzenie.pl/userfiles/file/99895697147.pdfIn PDF document text
- http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9109b15996---69565049571.pdfIn PDF document text
- https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609b2821ae03c---rabefezufaxofux.pdfIn PDF document text
- http://hoanggiaphatland.com/uploads/image/files/mekilamavem.pdfIn PDF document text
- https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/0561f018bab3b07fb9c67cb9d78b4546/lonononuvuxesivibaga.pdfIn PDF document text
- http://daoltrading.com/userData/board/file/33494194050.pdfIn PDF document text
- http://finproekt-msk.ru/userfiles/file/18790424525.pdfIn PDF document text
- http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160849cddbe4f2---62833563137.pdfIn PDF document text
- http://guilfordvikingsclassof81.com/clients/4/47/479b0a304b4cdce99dfe3eda73a59016/File/29552776711.pdfIn PDF document text
- http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ac90a896faf---50404026649.pdfIn PDF document text
- http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609eff4caf69e---7088372394.pdfIn PDF document text
- http://clinicaveterinariagussago.com/userfiles/files/fuvezitemejusabubinu.pdfIn PDF document text
- https://namastehealth.in/wp-content/plugins/super-forms/uploads/php/files/0cvtvvev4mm7bf0ng7tj331eot/56386156372.pdfIn PDF document text
- https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/e99007001e900091935ffdb437e5ccf4/44521782785.pdfIn PDF document text
- http://gulfcoolcontracting.com/uploads/userfiles/file/file/94115558437.pdfIn PDF document text
- http://sotel-perm.ru/site/file/bosufebakato.pdfIn PDF document text
- https://nhorizontours.com/userfiles/files/16012197786.pdfIn PDF document text
- https://www.focus.mu/wp-content/plugins/super-forms/uploads/php/files/10ae92f2045639cd4b9788b6e88db914/nemonimapoposamavawezun.pdfIn PDF document text
- http://ytbozhuo.com/upload/file/20034132897.pdfIn PDF document text
- https://www.reliancecareuk.com/wp-content/plugins/super-forms/uploads/php/files/0874e1c1f7c66e8130586c45819015a5/mitemusilixiwogeranaku.pdfIn PDF document text
- https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/2k7phb3lcsesguq5dgsqhnfmm3/xajowenejirafaf.pdfIn PDF document text
- http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/16082b7021941e---90117955153.pdfIn PDF document text
- http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608feedadc114---84109796474.pdfIn PDF document text
- https://dmvassociates.com/wp-content/plugins/super-forms/uploads/php/files/cc8e5acfdcf9dde7ffb21a5a3733c88d/poxenipokudalari.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=clipping+hens+flight+feathersPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ea06.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA06 | 10548 bytes |
SHA-256: c65474cdadb3dddaf2dc64070a1df8170143572d83628512ecc3a57233ae2798 |
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font_01_sfnt_off000101ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101FF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011a11.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A11 | 16408 bytes |
SHA-256: 5b0e92efad4da08629874ac85674af46ae71469fce82c639ca3a4c7b1c250a0b |
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